+**Defibrillation** is a medical procedure that delivers a controlled electric shock to the heart. This aims to halt chaotic electrical activity, such as [Heart Rhythm](/wiki/heart_rhythm) abnormalities, and allow the heart to reset to a normal rhythm, often vital in cases of [Cardiac Arrest](/wiki/cardiac_arrest). It is performed using a [Defibrillator](/wiki/defibrillator) to restore life-sustaining function.
+## See also
+- [CPR](/wiki/cpr)
+- [First Aid](/wiki/first_aid)
+- [Emergency Medicine](/wiki/emergency_medicine)
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